<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
	<style type="text/css">
		body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
	</style>
	<script src="js/jquery.min.js" type="text/javascript" charset="utf-8"></script>
	<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=5bwuet8jTteg58uoKb6AS3cdn2fpKSEA"></script>
	<title>浏览器定位</title>
	</head>
	<body>
		<div id="allmap"></div>
	</body>
	</html>
	<script type="text/javascript">
	// 百度地图API功能
	var map = new BMap.Map("allmap");
	var point = new BMap.Point(116.331398,39.897445);
	map.centerAndZoom(point,12);
	var geolocation = new BMap.Geolocation();
	// 创建地址解析器实例
	geolocation.getCurrentPosition(function(r){
		if(this.getStatus() == BMAP_STATUS_SUCCESS){
			var mk = new BMap.Marker(r.point);
			map.addOverlay(mk);
			map.panTo(r.point);
//			console.log(r.point);
//			alert('您的位置：'+r.point.lng+','+r.point.lat);
			showPosition(r.point.lat,r.point.lng)
		}
		else {
			alert('failed'+this.getStatus());
		}        
	},{enableHighAccuracy: true})
	
	
	function showPosition(lat,lng) {
		var lngEnd = getUrlParam('lng');
		var latEnd =getUrlParam('lat');
		var p1 = new BMap.Point(lng,lat);
		var p2 = new BMap.Point(lngEnd,latEnd);
		
		var driving = new BMap.DrivingRoute(map, {renderOptions:{map: map, autoViewport: true}});
		driving.search(p1, p2);
		// ak = appkey 访问次数流量有限制
//		var url = 'http://api.map.baidu.com/geocoder/v2/?ak=sqMgMZt0qve2RjT67RZRD3pFrCl1cjbs&callback=?&location=' + lat + ',' + lng + '&output=json&pois=1';
//		$.getJSON(url, function (res) {
//			console.log(res);
//			//alert(res.result.formatted_address);
//		});
	}
	
	
	
	
	
	// 百度地图API功能
	
	
	
	function getUrlParam(name) {
	 var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
	 var r = window.location.search.substr(1).match(reg); //匹配目标参数
	 if (r != null) return unescape(r[2]); return null; //返回参数值
	}
	
</script>
